389 ENHANCING VIRUS-SPECIFIC IMMUNITY IN VIVO BY COMBINING THERAPEUTIC VACCINATION AND PD1/PD-L1 BLOCKADE IN CHRONIC HEPADNAVIRAL INFECTION. - Liu, J.; Zhang, E.; Ma, Z.; Kosinska, A.; Zhang, X.; M, I.; Seiz, P.; Glebe, D.; Wang, B.; Yang, D.; Lu, M.; Roggendorf, M. (Journal of Hepatology, 2013)